# map, association

%{
  one => %{
    two => three
  }
}

%{
  one => %{
    two: three
  }
}

%{
  one => %Two{
    three: four
  }
}

# map, keyword

%{
  one: %{
    two => three
  }
}

%{
  one: %{
    two: three
  }
}

%{
  one: %Two{
    three: four
  }
}

# struct

%One{
  two: %{
    three => four
  }
}

%One{
  two: %{
    three: four
  }
}

%One{
  two: %Three{
    four: five
  }
}


